Home / 2,125.16-3,170.37-2,067.90

Finding the Fourth Proportional to 2,125.16, 3,170.37 and 2,067.90

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Solution

The fourth proportional to 2,125.16, 3,170.37 and 2,067.90 is: 3,084.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.16 : 3,170.37 = 2,067.90 : x
  2. Step 2: Convert to fraction form
    2,125.16/3,170.37 = 2,067.90/x
  3. Step 3: Cross multiply
    2,125.16x = 3,170.37 × 2,067.90
  4. Step 4: Simplify right side
    2,125.16x = 6,556,008.12
  5. Step 5: Solve for x
    x = 6,556,008.12/2,125.16
  6. Step 6: Final answer
    x = 3,084.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.